Ullah, Ata, Awan, Azmat Ali, Zia, Afia, Said Badshah, Muhammad Muneeb,, Younas, Muhammad, AND Shahida Sabir, Maryam Rabbi,. " 32. Comparative study of quality parameters of extra virgin olive oil from different regions of Khyber Pakhtunkhwa, Pakistan" Pure and Applied Biology (PAB) [Online], Volume 7 Number 1 (2 March 2018)